girl group

A girl group is a music act featuring several female singers who generally harmonize together. The term "girl group" is also used in a narrower sense in the United States to denote the wave of American female pop music singing groups, many of whom were influenced by doo-wop and which flourished in the late 1950s and early 1960s between the decline of early rock and roll and start of the British Invasion. All-female bands, in which members also play instruments, are usually considered a separate phenomenon. These groups are sometimes called "girl bands" to differentiate, although this terminology is not universally followed.
With the advent of the music industry and radio broadcasting, a number of girl groups emerged, such as the Andrews Sisters. The late 1950s saw the emergence of all-female singing groups as a major force, with 750 distinct girl groups releasing songs that reached US and UK music charts from 1960 to 1966. The Supremes alone held 12 number-one singles on the Billboard Hot 100 during the height of the wave and throughout most of the British Invasion rivaled the Beatles in popularity.In later eras, the girl group template would be applied to disco, contemporary R&B, and country-based formats, as well as pop. A more globalized music industry saw the extreme popularity of dance-oriented pop music led by major record labels. This emergence, led by the US, UK, South Korea, and Japan, produced extremely popular acts, with eight groups debuting after 1990 having sold more than 15 million physical copies of their albums.

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